d - 105 mm

D - 145 mm

B - 20 mm

C - 20 mm

rn - 0,5 mm

a - 3,3 mm

b - 1,9 mm

f - 1,7 mm

r min. - 1,1 mm

r0 max. - 0,6 mm

D1 - 142,6 mm

D2 - 150,7 mm

da min. - 111,5 mm

da max - 115 mm

Da max. - 138,5 mm

ra max. - 1 mm

Dx - 152 mm

Cy - 4,7 mm

Cz - 1,7 mm

rn - 0,5 mm

Weight - 0,816 Kg

Basic dynamic load rating (C) - 42,5 kN

Basic static load rating (C0) - 42 kN

(Grease) Lubrication Speed - 4 300 r/min

(Oil) Lubrication Speed - 5 100 r/min

Calculation factor (f0) - 16,5

• Model Number:6921NR
• Inner Diameter：105mm Outer Diameter：145mm Width：20mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:medical Equipment,magnetic elements,food / grain / food equipment,pneumatic Pump,Storage Tool,other mold,gantry processing,Machine tool accessories,car,powder metallurgy,Material handling equipment
• Similar models:KOYO 6921-1ZZ NTN 6921N CYSD 6921-2RS NSK 6921VV NACHI 6921NR KOYO 6921-1-2RU NTN 6921ZZ NSK 6921NR CYSD 6921-RS NTN 6921LLB
• BEARING POWER International Trading Co.,Ltd. specialize in 6921NR products，there is large inventory of NTN 6921NR . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6921NR Which NTN 6921NR is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  12MM1812	12	18	12	KOYO	Needle Roller Bearings
  23222-E1A-K-M + H2322	100	200	69,8	FAG	Spherical Roller Bearings
  24138-E1-2VSR-H40	190	320	128	FAG	Spherical Roller Bearings
  418/414A	38,1	88,5	26,988	Timken	Tapered Roller Bearings
  BL 205 ZZ	25	52	15	NSK	Deep Groove Ball Bearings
  C 2320	215	100	73	SKF	Cylindrical Roller Bearings
  EGB300100-E40	300	305	100	INA	Plain Bearings
  FL618/4 ZZ	4	9	4	ISO	Deep Groove Ball Bearings
  NU 1064 MP	480	320	74	SKF	Thrust Ball Bearings
  RNA0-5X10X8	5,000	10,000	8,000	NTN	Needle Roller Bearings
  RS151908A	15	19	7,8	KOYO	Needle Roller Bearings
  SSR 17	17	40	22	ISB	Plain Bearings
  TP85110	85	110	4	KOYO	Needle Roller Bearings
  UKP207SC	30		47,6	KOYO	Bearing Units
  NJ1019	95	145	24	SKF	CYLINDRICAL ROLLER BEARINGS
  7602070TVP	70	125	24	FAG	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  SY15/8TF	1.6250			SKF	PILLOW BLOCKS
  6272	650	360	95	STEYR	DEEP GROOVE BALL BEARINGS
  81284			52.0	CONSOLIDATED	THRUST ROLLER BEARINGS
  TPFY-104	1.2500			CONSOLIDATED	THERMOPLASTIC PILLOW BLOCKS